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I'm not sure if it has been my hardware "AMD Ryzen 5 5500GT with Radeon Graphics" being less tested than discrete AMD GPU's, but I had quite a lot of video lock-ups after Firefox enabled VA-API hardware decoding by default.
Just to be sure, I also tested using:
mpv --vo=gpu --hwdec=vaapi
I searched: https://gitlab.freedesktop.org/mesa/mesa/-/issues
and filed my findings under the report:
https://gitlab.freedesktop.org/mesa/mesa/-/issues/12528 "HW accelerated video playback causes VCN timeout"
After several days of building mesa-git and the Linus git head kernel, I appear to have working VA-API acceleration under mpv and Firefox.
The anti-climax was that no obvious commit appeared to fix the issue, just ongoing code clean-ups.
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Hi,
VA-API is - as far as I know- hardware acceleration using Intel-Graphics.
There is a warper for nvidia GPUs for VA-API calls (nvidia-vaapi-driver).
No idea how or whether this is possible with Radeon graphics.
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VAAPI hardware decoding is available on R600 and above Radeon gpu's according to https://www.x.org/wiki/RadeonFeature/
VAAPI hardware encoding is available on a more limited set of Radeon gpu's according to the same web page.
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